Kerala Plus Two Question Paper 2025 Computer Science

KERALA BOARD

QUESTION
PAPER
2025
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Kerala Board of Public
Examinations

SY-430
Reg. No. : ......................................

Name : ...........................................

SECOND YEAR HIGHER SECONDARY EXAMINATION, MARCH 2025

Part – III Time : 2 Hours
COMPUTER SCIENCE Cool-off time : 15 Minutes
Maximum : 60 Scores

General Instructions to Candidates :
 There is a ‘Cool-off time’ of 15 minutes in addition to the writing time.
 Use the ‘Cool-off time’ to get familiar with questions and to plan your answers.
 Read questions carefully before answering.
 Read the instructions carefully.
 Calculations, figures and graphs should be shown in the answer sheet itself.
 Malayalam version of the questions is also provided.
 Give equations wherever necessary.
 Electronic devices except non-programmable calculators are not allowed in the
Examination Hall.
 
    15  ‘  ’ .
 ‘  ’    
 .
      .
    .
  , , ,   
.
   .
    .
     
    .

SY-430 1 P.T.O.

Answer any 5 questions from 1 to 6. Each carries 1 score. (5  1 = 5)

1. Queue organizes data based on _____ principle.

(a) FIFO (b) LIFO

(c) FILO (d) LILO

2. Which hyperlink protocol is used to create an e-mail hyperlink ?

(a) http (b) mailto:

(c) href (d) pop

3. In JavaScript, which of the following keyword is used to convert data into number
type ?

(a) Int (b) Integer

(c) Num( ) (d) Number( )

4. In PHP, _____ is a collection of key and value pairs.

5. The scientific study associated with the design, fabrication, theory and application of
robots is called _____ .

6. A virtual world where communication takes place only over the internet is called ____.

Answer any 9 questions from 7 to 18. Each carries 2 scores.

(9  2 = 18)

7. What is memory leak ?

8. Compare empty tag and container tag.

SY-430 2

1  6    5  .
1  . (5  1 = 5)

1.  (Queue)     _____   .
(a) FIFO (b) LIFO
(c) FILO (d) LILO

2.  -    
  ?
(a) http (b) mailto:
(c) href (d) pop

3.        
   ?
(a) Int (b) Integer
(c) Num( ) (d) Number( )

4. PHP-, _____   (key),  (value)   .

5.  , , ,  
   _____  .

6.         ____
 .

7  18    9  .
2  . (9  2 = 18)
7.    ?

8.   (empty tag),   (container tag)   .

SY-430 3 P.T.O.

9. (a) Expand CSS. (1)
(b) Which are the different ways to implement CSS in a web page ? (1)

10. Write short note on lists in HTML.

11. Complete the table given below :

Data Data type in JavaScript

98445 _______________

“My School” _______________

true _______________

“False” _______________

12. Rewrite the given JavaScript code segment with suitable code elements to display even
numbers upto 10 on a web page.

<SCRIPT .......................="JavaScript">
var N;
N=2;
while(................)
{
document. write(N);
N=......+.......;
}
<........................>

13. Write short note on various types of web hosting.

14. What is responsive web design ?
SY-430 4

9. (a) CSS  . (1)

(b)    CSS     ? (1)

10. HTML-     .

11.     :

Data Data type in JavaScript

98445 _______________

“My School” _______________

true _______________

“False” _______________

12.    10     
      
  .

<SCRIPT .......................="JavaScript">
var N;
N=2;
while(................)
{
document. write(N);
N=......+.......;
}
<........................>

13.       .

14.     ?

SY-430 5 P.T.O.

15. Write a brief description about the users of database.

16. Which are the aggregate functions in SQL ?

17. Compare GET and POST methods in PHP.

18. What is the difference between echo and print statements in PHP ?

Answer any 9 questions from 19 to 29. Each carries 3 scores. (9  3 = 27)

19. (a) What is structure in C++ ? (1)
(b) Define a structure ‘FeeCard’ to store the details Admission number, Name and
Amount. (2)

20. Consider the array Num[5] of int type, Ptr an integer pointer then predict the output of
the following C++ statements :

Num

Ptr=Num; 1000 37

(a) cout<<(Num+1); 42

(b) cout<<*(Num+1); 57

(c) for(int i=0; i<5; i++) 62

cout<<*(Ptr + i)<<”\t”; 67

21. (a) Define the OOP concept Inheritance. (1)
(b) Write a brief note on different types of inheritance. (2)

22. Write the algorithm to perform PUSH operation in a stack.

SY-430 6

15.      .

16. SQL-    ?

17. PHP  GET method. POST method   .

18. PHP  echo, print     ?

19  29    9  .
3  . (9  3 = 27)

19. (a) C++  
  (structure)  ? (1)

(b)  , ,    ‘FeeCard’ 
  (structure) .
 (2)

20.   int   Num[5],  Ptr  
 C++     :

Num

Ptr=Num; 1000 37

(a) cout<<(Num+1); 42

(b) cout<<*(Num+1); 57

(c) for(int i=0; i<5; i++) 62

cout<<*(Ptr + i)<<”\t”; 67

21. (a)  (Inheritance)  OOP  . (1)

(b)    (inheritance)    . (2)

22.   (stack) PUSH    .

SY-430 7 P.T.O.

23. (a) Write short note on linked list. (1)
(b) List the operations that can be performed on linked list. (2)

24. Compare static and dynamic web pages.

25. List any three attributes of <BODY> Tag with their use.

26. List the advantages of DBMS.

27. Write the output of the following JavaScript statements based on the given code
segment :
var x, A,B,C;
x=”All the Best”;
A=x.toUpperCase( );
B= x.length;
(a) alert(A);
(b) alert(B);
(c) alert(isNaN(x));

28. Answer the following questions based on the given table STUDENT as per instructions :

Reg_No Name Batch Result Marks

1101 Sachin Science Pass 480

1107 Rithu Science Fail 200

1234 Joseph Commerce Pass 350

(a) Write the output of the operation  Result="Pass" (STUDENT)
(b) Write the output of the operation  Result="Pass"  Batch="Science"
(STUDENT)
(c) Write relational operation to get Reg_No, Result of all students from STUDENT

29. Explain the cloud service models.

SY-430 8

23. (a)      . (1)
(b)       . (2)

24.        .

25. <BODY>     
  .

26. DBMS-   .

27.      JavaScript
    :
var x, A,B,C;
x=”All the Best”;
A=x.toUpperCase( );
B= x.length;
(a) alert(A);
(b) alert(B);
(c) alert(isNaN(x));

28.    STUDENT   
    :

Reg_No Name Batch Result Marks
1101 Sachin Science Pass 480
1107 Rithu Science Fail 200
1234 Joseph Commerce Pass 350

(a)  Result="Pass" (STUDENT)  .
(b)  Result="Pass"  Batch="Science" (STUDENT)  .
(c) Reg_No, Result  STUDENT   
   .

29.    .

SY-430 9 P.T.O.

Answer any 2 questions from 30 to 32. Each carries 5 scores. (2  5 = 10)
30. (a) List the tags used to create table in HTML with their use. (2)
(b) Write HTML code to display the following table in a web page : (3)

DETAILS OF STUDENTS

Chest No Name No. of attempts

123 Rithu 3

125 Ananya 2

31. Consider the given SQL query,
CREATE TABLE Book
( Book_ID INT PRIMARY KEY,
Book_Name VARCHAR(25),
Publisher VARCHAR(25),
Price INT,
NOT NULL(Book_Name, Publisher));
Answer the following :
(a) Write the table constraint used in the query. (1)
(b) Write SQL query to display whole table. (1)
(c) Write SQL query to display the list of books with price below 200. (1)
(d) Write SQL query to display Book name in the ascending order of price. (1)
(e) Rewrite the above query with proper changes so that the Book_ID to be unique
and price decimal type. (1)

32. (a) Define e-Learning. (1)
(b) List any 4 e-Learning tools. (2)
(c) Explain any 4 cyber-crime against individuals. (2)
____________

SY-430 10

30  32    2  .
5  . (2  5 = 10)
30. (a) HTML-     
  . (2)
(b)        HTML
  : (3)
DETAILS OF STUDENTS
Chest No Name No. of attempts
123 Rithu 3
125 Ananya 2

31.  SQL  (query) .
CREATE TABLE Book
( Book_ID INT PRIMARY KEY,
Book_Name VARCHAR(25),
Publisher VARCHAR(25),
Price INT,
NOT NULL(Book_Name, Publisher));
    :
(a)  (query)     (table constraint)
. (1)
(b)    SQL  (query) . (1)
(c) 200-      
SQL  (query) . (1)
(d)      
SQL  (query) . (1)
(e) Book_ID  unique  price     
      
. (1)

32. (a) - . (1)
(b)  4 -   . (2)
(c)   4  
. (2)
____________

SY-430 11 P.T.O.

SY-430 12